Home / 77,686.34-116,534.43-24,380.42

Finding the Fourth Proportional to 77,686.34, 116,534.43 and 24,380.42

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Solution

The fourth proportional to 77,686.34, 116,534.43 and 24,380.42 is: 36,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,686.34 : 116,534.43 = 24,380.42 : x
  2. Step 2: Convert to fraction form
    77,686.34/116,534.43 = 24,380.42/x
  3. Step 3: Cross multiply
    77,686.34x = 116,534.43 × 24,380.42
  4. Step 4: Simplify right side
    77,686.34x = 2,841,158,639.20
  5. Step 5: Solve for x
    x = 2,841,158,639.20/77,686.34
  6. Step 6: Final answer
    x = 36,572.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.